Home / 429,530,035.77-644,177,465.42-118,563,313.50

Finding the Fourth Proportional to 429,530,035.77, 644,177,465.42 and 118,563,313.50

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Solution

The fourth proportional to 429,530,035.77, 644,177,465.42 and 118,563,313.50 is: 177,812,512.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,530,035.77 : 644,177,465.42 = 118,563,313.50 : x
  2. Step 2: Convert to fraction form
    429,530,035.77/644,177,465.42 = 118,563,313.50/x
  3. Step 3: Cross multiply
    429,530,035.77x = 644,177,465.42 × 118,563,313.50
  4. Step 4: Simplify right side
    429,530,035.77x = 76,375,814,781,634,048
  5. Step 5: Solve for x
    x = 76,375,814,781,634,048/429,530,035.77
  6. Step 6: Final answer
    x = 177,812,512.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.